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ruby--ruby/test/ruby/test_variable.rb
nahi aaf5d9c03c * test/ruby: tests for ruby itself.
* test/ruby/test_*.rb: split sample/test.rb into 28 test/unit testcases.  some
  tests could not be translates...  search '!!' mark to see it.

* test/csv/test_csv.rb: should require 'csv', not '../lib/csv'.  test runner
  should set load path correctly.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4498 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-09-04 16:18:59 +00:00

58 lines
1.1 KiB
Ruby

require 'test/unit'
$KCODE = 'none'
class TestVariable < Test::Unit::TestCase
class Gods
@@rule = "Uranus"
def ruler0
@@rule
end
def self.ruler1 # <= per method definition style
@@rule
end
class << self # <= multiple method definition style
def ruler2
@@rule
end
end
end
module Olympians
@@rule ="Zeus"
def ruler3
@@rule
end
end
class Titans < Gods
@@rule = "Cronus"
include Olympians # OK to cause warning (intentional)
end
def test_variable
assert($$.instance_of?(Fixnum))
# read-only variable
begin
$$ = 5
assert false
rescue NameError
assert true
end
foobar = "foobar"
$_ = foobar
assert($_ == foobar)
assert(Gods.new.ruler0 == "Cronus")
assert(Gods.ruler1 == "Cronus")
assert(Gods.ruler2 == "Cronus")
assert(Titans.ruler1 == "Cronus")
assert(Titans.ruler2 == "Cronus")
atlas = Titans.new
assert(atlas.ruler0 == "Cronus")
assert(atlas.ruler3 == "Zeus")
end
end